GRANT SELECT,INSERT,UPDATE,DELETE ON iredadmin.* TO iredadmin@localhost IDENTIFIED BY 'secret_passwd';

This command will set string 'secret_passwd' as password of iredadmin user. Is this what you want?

Debug Mode off:
internal server error

then i turn on debug mode to True to see the error
Debug=True

error
_mysql_exceptions.OperationalError at /
(1045, "Access denied for user 'iredadmin'@'localhost' (using password: YES)")

GRANT SELECT,INSERT,UPDATE,DELETE ON iredadmin.* TO iredadmin@localhost IDENTIFIED BY 'secret_passwd';